★ 6.7
★ 0.0
★ 7.2
★ 7.5
★ 6.8
★ 7.9
★ 7.6
★ 10.0
★ 9.0
In the 1950s, a devastating fog descended on London and enveloped the capital for several days, leaving Londoners lost in their own streets in one of the UK's biggest peacetime catastrophes.